Cloning only a subdirectory with git

Cf https://www.kernel.org/pub/software/scm/git/docs/git-archive.html

With a shell command :

git archive --remote=<repo_url> <branch> <path> | tar xvf -

Suppose your project is in a dir called project, and you want only those commits which touch project/dirB.

Then:

git clone project/ subproject/
cd subproject
git filter-branch --prune-empty --subdirectory-filter dirB HEAD

subproject will now contain the git history which touches dirB.

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